Hadzabe
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The Hadzabe are an ethnic and linguistic group based in central Tanzania. In 2000 the Hadzabe population was estimated to number 800 [1]. Until recently, the genetic origin of the Hadzabe was a mystery; traditionally, they were considered as a remnant of Khoisan people in East Africa, but modern genetic research showed that they are actually more related to Pygmies. According to Knight et al. (2003), their Y-haplogroups mainly consist of B2b (52%), i.e. the same subclade of Y-haplogroup B that is present in typical Pygmy groups like Mbuti or BiAka. The high presence of E3a (30%) shows a marked Bantu admixture, and the rest is predominantly formed by other E-subclades. Their mtDNA lineages are formed by L2 (mainly a Pygmy lineage L2a1) and L3 (mainly an East African lineage L3g), and none of them is shared with the San from South Africa, who originally belong to L0d/L0k mtDNA haplogroups. The overall genetic picture suggests that the original Hadzabe population, possessing Y-chromosome haplogroup B2b and mtDNA haplogroup L2a1, was influenced by gene flow from the Bantu and East Africans.
[edit] See also
A. Knight et al.: African Y Chromosome and mtDNA Divergence Provides Insight into the History of Click Languages. Current Biology, 2003, Vol. 13, p. 464–473
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